#include <iostream>
#include <functional>
#include "../include/muduo/net/TcpClient.h"
#include "../include/muduo/net/EventLoopThread.h"
#include "../include/muduo/net/TcpConnection.h"
#include "../include/muduo/base/CountDownLatch.h"

class TranslateClient {
public:
    TranslateClient(std::string sip, int sport)
        : _latch(1),
         _client(_loopthread.startLoop(), muduo::net::InetAddress(sip, sport), "TranslateClient")
    {
        _client.setConnectionCallback(std::bind(&TranslateClient::onConnection, this, std::placeholders::_1));
        _client.setMessageCallback(std::bind(&TranslateClient::onMessage, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
    }
    // 连接服务器 -- 需要阻塞等待连接建立成功之后再返回
    void connect() {
        _client.connect();
        _latch.wait();  // 阻塞等待，直到连接建立成功
    }

    bool send(const std::string &msg) {
        if (_conn->connected()) {
            _conn->send(msg);
            return true;
        }

        return false;
    }

private:
    // 连接建立成功时的回调函数，连接建立成功后，唤醒上边的阻塞
    void onConnection(const muduo::net::TcpConnectionPtr& conn) {
        if (conn->connected()) {
            _latch.countDown();
            _conn = conn;
        } else {
            // 连接关闭时的操作
            _conn.reset();
        }
    }

    // 收到消息的回调函数
    void onMessage(const muduo::net::TcpConnectionPtr& conn, muduo::net::Buffer* buf, muduo::Timestamp) {
        std::cout << "翻译结果: " << buf->retrieveAllAsString() << std::endl;
    }
private:
    muduo::CountDownLatch _latch;
    muduo::net::EventLoopThread _loopthread;
    muduo::net::TcpClient _client;
    muduo::net::TcpConnectionPtr _conn;
};

int main()
{
    TranslateClient client("127.0.0.1", 8080);
    client.connect();

    while(1)
    {
        std::string buf;
        std::cin >> buf;
        client.send(buf);
    }
    return 0;
}